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Post Info TOPIC: Ogi meteorite


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Title: Noble gas composition in Ogi and Siena meteorites
Authors: J T Padia, C M Nautiyal, M N Rao, T R Venkatesan

The elemental and isotopic composition of noble gases in two chondritic meteorites which belong to documented "falls" is reported. Ogi, which belongs to the group of H-chondrites, fell in Saga, Kyushu (Japan) at 11am on 8 June 1741 and Siena which belongs to the group of LL-chondrites, fell in Tuscany (Italy) at 7pm on 16 June 1794. The recovered mass of Ogi and Siena were 14·2 and 4 kg respectively. Their exposure ages are 13±2 m.y. and 13±3 m.y. respectively.

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On June 8, 1741 - a time when the origin of meteorites was not yet understood - four meteorites with a total known weight of 14 kg fell on the southern Japanese island of Kyushu. Their plunge through Earth's atmosphere was reportedly accompanied by loud, thunder-like sounds. Thought to have fallen from the loom of the goddess Shokujo, the meteorites were collected and preserved for worship in a family temple, where they became part of an annual re-offering to Shokujo over the centuries. In 1883, the British Museum of Natural History was able to obtain 4kg, the largest of the four meteorites and the partial slice.

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The Ogi (H6) meteorite fell in Kyushu, Japan, on the 8th June, 1741.
A total mass of 14.36 kg was recovered.

33° 17'N, 130° 12'E 



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